The hex color #ffc82f is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#0037D0. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#FFFB62, and Hex
#CC9500 is the 20% darker color. If the color is saturated by 10%, you get
#FFCB23. If the color is desaturated by 10%, the color
#F6C53B is obtained.